An atomic interface between microwave and optical photons

Details An atomic interface between microwave and optical photons An atomic interface between microwave and optical photons

2011-10-16

arxiv.org/abs/1110.3537v2

Phys. Rev. A 85, 020302(R) (2012)

Physics

Quantum Physics

5 pages, 3 figures

Scientific paper

10.1103/PhysRevA.85.020302

A complete physical approach to quantum information requires a robust interface among flying qubits, long-lifetime memory and computational qubits. Here we present a unified interface for microwave and optical photons, potentially connecting engineerable quantum devices such as superconducting qubits at long distances through optical photons. Our approach uses an ultracold ensemble of atoms for two purposes: quantum memory and to transduce excitations between the two frequency domains. Using coherent control techniques, we examine an approach for converting and storing quantum information between microwave photons in superconducting resonators, ensembles of ultracold atoms, and optical photons as well as a method for transferring information between two resonators.

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